:root {
  --ink: #1a1a1a;
  --muted: #6b6b6b;
  --line: #d9d9d9;
  --accent: #111111;
  --error: #b3261e;
  --success: #1b7a3d;
}

* { box-sizing: border-box; }

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--ink);
  background: #f2f2f2;
  margin: 0;
  padding: 24px 16px;
  line-height: 1.5;
}

.container {
  max-width: 520px;
  margin: 32px auto;
  background: #ffffff;
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 10px;
}

.logo {
  display: block;
  max-width: 200px;
  height: auto;
  margin: 0 auto 24px;
}

h1 {
  font-size: 1.6rem;
  margin: 0 0 8px;
  text-align: center;
}

.intro {
  color: var(--muted);
  text-align: center;
  margin: 0 0 24px;
}

label {
  display: block;
  font-weight: bold;
  margin: 16px 0 6px;
}

input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}

input:focus {
  outline: 2px solid rgba(17,17,17,0.25);
  border-color: var(--accent);
}

.split {
  display: flex;
  gap: 10px;
}

.split input {
  flex: 1;
}

.checkbox {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-weight: normal;
  margin: 22px 0 4px;
  font-size: 0.92rem;
  color: #333;
}

.checkbox input {
  margin-top: 3px;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

button {
  width: 100%;
  margin-top: 22px;
  padding: 14px;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: bold;
  cursor: pointer;
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.message {
  margin-top: 14px;
  text-align: center;
  font-weight: bold;
  min-height: 1.2em;
}

.message.success { color: var(--success); }
.message.error { color: var(--error); }

.footer-links {
  text-align: center;
  margin-top: 24px;
  font-size: 0.9rem;
}

.footer-links a {
  color: var(--ink);
  text-decoration: underline;
}

.footer-links .divider {
  color: var(--muted);
  margin: 0 8px;
}

.commission {
  font-size: 0.78rem;
  color: var(--muted);
  text-align: center;
  margin: 14px 0 0;
}

.hp {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  opacity: 0;
}

@media (max-width: 560px) {
  .container { padding: 22px; }
  .split { flex-direction: column; gap: 0; }
}